Luminous gangway signpost



FIG. 1 is a top plan view of a luminous gangway signpost showing our new design;

FIG. 2 is a front elevational view thereof, with the rear being a mirror image;

FIG. 3 is a bottom plan view of the luminous gangway signpost; and,

FIG. 4 is an end view of the luminous gangway signpost with the opposite end being a mirror image. 

The ornamental design for a luminous gangway signpost, as shown and described. 